/* * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * */ /** * fanout_producer.cpp: * * This program is one of two programs designed to be used * together. * * fanout_producer.cpp (this program): * * Publishes messages to the "amq.fanout" exchange. * * listener.cpp * * Creates a private queue, binds it to the "amq.fanout" * exchange, and reads messages from its queue as they * arrive. Messages sent before the listener binds the queue are * not received. * * Multiple listeners can run at the same time. * */ #include #include #include #include #include #include #include using namespace qpid::client; using namespace qpid::framing; using std::stringstream; using std::string; int main(int argc, char** argv) { const char* host = argc>1 ? argv[1] : "127.0.0.1"; int port = argc>2 ? atoi(argv[2]) : 5672; Connection connection; try { connection.open(host, port); Session session = connection.newSession(); //--------- Main body of program -------------------------------------------- // Unlike topic exchanges and direct exchanges, a fanout // exchange need not set a routing key. Message message; // Now send some messages ... for (int i=0; i<10; i++) { stringstream message_data; message_data << "Message " << i; message.setData(message_data.str()); // Asynchronous transfer sends messages as quickly as // possible without waiting for confirmation. async(session).messageTransfer(arg::content=message, arg::destination="amq.fanout"); } // And send a final message to indicate termination. message.setData("That's all, folks!"); session.messageTransfer(arg::content=message, arg::destination="amq.fanout"); //----------------------------------------------------------------------------- connection.close(); return 0; } catch(const std::exception& error) { std::cout << error.what() << std::endl; } return 1; }